Rio de Janeiro to Simi Valley time converter

Simi Valley is 4 hours behind Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 5:00 AM in Simi Valley.

Rio de Janeiro BRT

Wednesday, October 21, 2026

Simi Valley PDT

Wednesday, October 21, 2026

Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3
Simi Valley
California, United States
Wed, Oct 21
PDTUTC-7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Simi Valley conversion table

Every hour of today in Rio de Janeiro and the matching time in Simi Valley. Light rows are typical working hours (9:00–18:00).

Rio de JaneiroSimi Valley
12:00 AM8:00 PM−1 day
1:00 AM9:00 PM−1 day
2:00 AM10:00 PM−1 day
3:00 AM11:00 PM−1 day
4:00 AM12:00 AM
5:00 AM1:00 AM
6:00 AM2:00 AM
7:00 AM3:00 AM
8:00 AM4:00 AM
9:00 AM5:00 AM
10:00 AM6:00 AM
11:00 AM7:00 AM
12:00 PM8:00 AM
1:00 PM9:00 AM
2:00 PM10:00 AM
3:00 PM11:00 AM
4:00 PM12:00 PM
5:00 PM1:00 PM
6:00 PM2:00 PM
7:00 PM3:00 PM
8:00 PM4:00 PM
9:00 PM5:00 PM
10:00 PM6:00 PM
11:00 PM7:00 PM

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in Rio de Janeiro (9:00 AM – 2:00 PM in Simi Valley).

Daylight saving time and the difference

The difference changes during the year because Rio de Janeiro and Simi Valley switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -4h
  • Nov 1, 2026 – Mar 14, 2027: -5h
  • Mar 14, 2027 – Oct 21, 2027: -4h

Distance

Rio de Janeiro and Simi Valley are 10,198 km (6,337 miles) apart in a straight line.

More conversions

Simi Valley to Rio de JaneiroRio de Janeiro to New YorkRio de Janeiro to LondonRio de Janeiro to Los AngelesRio de Janeiro to ChicagoRio de Janeiro to TorontoRio de Janeiro to São PauloRio de Janeiro to ParisRio de Janeiro to BerlinRio de Janeiro to MoscowRio de Janeiro to DubaiRio de Janeiro to New DelhiRio de Janeiro to Bangkok
New York to Simi ValleyLondon to Simi ValleyLos Angeles to Simi ValleyChicago to Simi ValleyToronto to Simi ValleySão Paulo to Simi ValleyParis to Simi ValleyBerlin to Simi ValleyMoscow to Simi ValleyDubai to Simi ValleyNew Delhi to Simi ValleyBangkok to Simi Valley

Questions and answers

What is the time difference between Rio de Janeiro and Simi Valley?

Simi Valley is 4 hours behind Rio de Janeiro.

What time is it in Simi Valley when it is 9 AM in Rio de Janeiro?

When it is 9:00 AM in Rio de Janeiro, it is 5:00 AM in Simi Valley.

When is the best time to call Simi Valley from Rio de Janeiro?

Both sides are at work from 1:00 PM – 6:00 PM in Rio de Janeiro (9:00 AM – 2:00 PM in Simi Valley).

Does the time difference between Rio de Janeiro and Simi Valley change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.